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Prime number module

Michael Hudson mwh at python.net
Wed Oct 1 11:18:37 EDT 2003 
Alex Martelli <aleax at aleax.it> writes:

> Lulu of the Lotus-Eaters wrote:
> 
> > |Lulu of the Lotus-Eaters wrote:
> > |> Along those lines, what's the quickest way to count bits in Python?
> > 
> > Alex Martelli <aleax at aleax.it> wrote previously:
> > |Probably gmpy's popcount function.
> > 
> > What about fast AND portable?
> > 
> > (I'm sure gmpy can be installed lots of places, but not necessarily by
> > receivers of Python code).
> 
> Why not?  gmpy's downloads include a self-contained .pyd for Windows
> users (the ones who typically lack easy access to a C compiler) -- don't
> most users of Linux, MacOs and other BSD's, etc, typically have gcc
> available to install extensions if they want...?  Or are you worrying
> about the operations' availability to users of Jython...?

I'm not sure "most" OS X installations have the dev tools installed.

I'm not sure GMP has been ported to, e.g. VMS.

> But from a pragmatic point of view, I'll keep using gmpy for the
> foreseeable future, thanks;-).

Well, sure.

Cheers,
mwh

-- 
  Hmmm... its Sunday afternoon: I could do my work, or I could do a
  Fourier analysis of my computer's fan noise.
       -- Amit Muthu, ucam.chat (from Owen Dunn's summary of the year)
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